Question : The following is the illustration of the Transport of ovum, – InterviewSolution

1.	Question : The following is the illustration of the Transport of ovum, fertilisation and passage of growing embryo through fallopian tube. How is placenta formed?
Answer» Solution :After implantation, finger-like PROJECTIONS appear on the trophoblast called CHORIONIC villi, which are surrounded by the uterine tissue and maternal blood, the chorionic villi and uterine tissue become interdigitated with each other and JOINTLY FORM PLACENTA.

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